Gemstone



FIG. 1 is a top view of a gemstone;

FIG. 2 is a bottom view thereof;

FIG. 3 is a first side view thereof;

FIG. 4 is a second side view thereof;

FIG. 5 is a top view of a second embodiment of the gemstone;

FIG. 6 is a bottom view thereof;

FIG. 7 is a first side view thereof;

FIG. 8 is a second side view thereof;

FIG. 9 is a top view of a third embodiment of the gemstone;

FIG. 10 is a bottom view thereof;

FIG. 11 is a first side view thereof; and,

FIG. 12 is a second side view thereof. 

CLAIM The ornamental design for a gemstone, as shown and described. 